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2 years ago

What is proportion of 18:72

1 answer:

4 0

A proportion is an equal ratio (or fraction)
18 divided by 18 is 1
72 divided by 18 is 4
so a proportion of 18:72 is 1:4

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There are 72 students in the gym. 45 students are girls. The rest are boys. What is the ratio of boys to girls?

PIT_PIT [208]

Answer:

3 to 5

Step-by-step explanation:

To find the number of boys, take the total students and subtract the girls

72 -45 =27

We want the ratio of boys:girls

boys:girls

27:45

Divide each number by 9

27/9:45/9

3 : 5

3 0

2 years ago

The sum of -3 times a number and 0.3 is at most 6.3. What are all the possible

densk [106]

Answer:

Step-by-step explanation:

Lets write an equation for this :)

So, the sum of -3 times a number and 0.3

This would be : -3x +0.3

Is at most, 6.3

so, it is equal to, or less than 6.3

-3x +0.3 < 6.3

Now lets solve!

x> -2

the number is greater than or equal to -2

5 0

2 years ago

What is the number that when you multiply by 2 and add 7 to the product you get is 10.8 pls answer

ValentinkaMS [17]

Answer:

1.9

Step-by-step explanation:

2x+7=10.8

2x=3.8

x=1.9

1.9x2=3.8+7=10.8

4 0

2 years ago

NEED ANSWER ASAP WILL GIVE BRAINLIEST

ch4aika [34]

Answer:

Step-by-step explanation:

6 0

2 years ago

Read 2 more answers

Simplify the expression. c^-6 d^4/c^-16 d^14

pochemuha

Answer:

$\red{\frac{ {c}^{10}}{{d}^{10} } }$

Step-by-step explanation:

$\huge \: \frac{ {c}^{ - 6} {d}^{4}}{ {c}^{ - 16} {d}^{14} } \\ \\ = \huge \: \frac{ {c}^{16 - 6}}{{d}^{14 - 4} } \\ \\ = \huge \: \red{\frac{ {c}^{10}}{{d}^{10} } }$

6 0

1 year ago